package com.nanbei.eduService.controller;



import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.nanbei.commonUntil.R;
import com.nanbei.eduService.entity.EduTeacher;
import com.nanbei.eduService.entity.vo.TeacherQuery;
import com.nanbei.eduService.service.EduTeacherService;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import io.swagger.annotations.ApiParam;
import org.springframework.beans.factory.annotation.Autowired;

import org.springframework.util.StringUtils;
import org.springframework.web.bind.annotation.*;

import java.util.List;

/**
 * <p>
 * 讲师 前端控制器
 * </p>
 *
 * @author testjava
 * @since 2021-11-25
 */
@Api(description = "讲师管理")
@RestController
@RequestMapping("/eduService/teacher")
@CrossOrigin  //解决跨域问题
public class EduTeacherController {

    @Autowired
    private EduTeacherService teacherService;

    //查询讲师表所有数据
    @ApiOperation(value = "所有讲师列表")
    @GetMapping("findAll")
    public R findAll(){
        List<EduTeacher> list = teacherService.list(null);

        return R.ok().data("items",list);
    }

    //讲师逻辑删除方法
    @ApiOperation(value = "根据ID删除讲师（逻辑删除）")
    @DeleteMapping("{id}")
    public  R removeTeacher(
            @ApiParam(name = "id", value = "讲师id",required = true)
            @PathVariable String id){
        boolean flag = teacherService.removeById(id);

        if (flag){
            return R.ok();
        }else {
            return R.error();
        }
    }

    //分页查询讲师的方法
    @ApiOperation(value = "分页查询讲师）")
    @GetMapping("pageTeacher/{current}/{limit}")
    public R pageListTeacher(@PathVariable long current,
                             @PathVariable long limit){
        //创建page对象
        Page<EduTeacher> pageTeachers = new Page<>(current,limit);

        //调用分页方法
        //调用方法的时候，底层封装，把所有的数据封装到pageTeacher对象里面
        teacherService.page(pageTeachers, null);

        //返回总记录数
        long total = pageTeachers.getTotal();
        //数据List集合
        List<EduTeacher> records = pageTeachers.getRecords();

        return R.ok().data("total",total).data("rows",records);
    }

    /**
     * 条件查询带分页的方法
     */
    @PostMapping("pageTeacherCondition/{current}/{limit}")
    public R pageTeacherCondition(@PathVariable long current,
                                  @PathVariable long limit,
                                  @RequestBody(required = false) TeacherQuery teacherQuery){
        //调用page对象
        Page<EduTeacher> pageTeacher = new Page<>(current,limit);

        //调用方法实现条件查询分页
        QueryWrapper<EduTeacher> queryWrapper = new QueryWrapper<>();
        String name = teacherQuery.getName();
        Integer level = teacherQuery.getLevel();
        String begin = teacherQuery.getBegin();
        String end = teacherQuery.getEnd();

        if (!StringUtils.isEmpty(name)){
            queryWrapper.like("name",name);
        }
        if (!StringUtils.isEmpty(level)){
            queryWrapper.eq("level",level);
        }
        if (!StringUtils.isEmpty(begin)){
            queryWrapper.ge("gmt_create",begin);
        }
        if (!StringUtils.isEmpty(end)){
            queryWrapper.le("gmt_modified",end);
        }

        teacherService.page(pageTeacher,queryWrapper);

        //返回总记录数
        long total = pageTeacher.getTotal();

        //数据List集合
        List<EduTeacher> records = pageTeacher.getRecords();

        return R.ok().data("total",total).data("records",records);
    }

    /**
     * 添加讲师
     */
    @PostMapping("addTeacher")
    public R addTeacher(@RequestBody EduTeacher eduTeacher){
        boolean save = teacherService.save(eduTeacher);
        if (save){
            return R.ok();
        }else {
            return R.error();
        }
    }

    /**
     * 根据讲师ID查询
     */
    @GetMapping("getTeacher/{id}")
    public R getTeacher(@PathVariable String id){
        EduTeacher eduTeacher = teacherService.getById(id);
        return R.ok().data("teacher",eduTeacher);
    }

    /**
     * 讲师修改功能
     */
    @PostMapping("updateTeacher")
    public R updateTeacher(@RequestBody EduTeacher eduTeacher){
        boolean flag = teacherService.updateById(eduTeacher);
        if (flag){
            return R.ok();
        }else {
            return R.error();
        }

    }
}

